arch: tile: kernel/proc.c Removed duplicated #include

Signed-off-by: NAndrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: NChris Metcalf <cmetcalf@tilera.com>

arch/tile/kernel/proc.c

@@ -23,7 +23,6 @@
 #include <linux/sysctl.h>
 #include <linux/hardirq.h>
 #include <linux/mman.h>
-#include <linux/smp.h>
 #include <asm/pgtable.h>
 #include <asm/processor.h>
 #include <asm/sections.h>